@tanstack/query-core/build/modern/onlineManager.cjs.map

The framework agnostic core that powers TanStack Query

{"version":3,"file":"onlineManager.cjs","names":["Subscribable","#setup","#cleanup","#online"],"sources":["../../src/onlineManager.ts"],"sourcesContent":["import { Subscribable } from './subscribable'\n\ntype Listener = (online: boolean) => void\ntype SetupFn = (setOnline: Listener) => (() => void) | undefined\n\nexport class OnlineManager extends Subscribable<Listener> {\n  #online = true\n  #cleanup?: () => void\n\n  #setup: SetupFn\n\n  constructor() {\n    super()\n    this.#setup = (onOnline) => {\n      // addEventListener does not exist in React Native, but window does\n      // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition\n      if (typeof window !== 'undefined' && window.addEventListener) {\n        const onlineListener = () => onOnline(true)\n        const offlineListener = () => onOnline(false)\n        // Listen to online\n        window.addEventListener('online', onlineListener, false)\n        window.addEventListener('offline', offlineListener, false)\n\n        return () => {\n          // Be sure to unsubscribe if a new handler is set\n          window.removeEventListener('online', onlineListener)\n          window.removeEventListener('offline', offlineListener)\n        }\n      }\n\n      return\n    }\n  }\n\n  protected onSubscribe(): void {\n    if (!this.#cleanup) {\n      this.setEventListener(this.#setup)\n    }\n  }\n\n  protected onUnsubscribe() {\n    if (!this.hasListeners()) {\n      this.#cleanup?.()\n      this.#cleanup = undefined\n    }\n  }\n\n  setEventListener(setup: SetupFn): void {\n    this.#setup = setup\n    this.#cleanup?.()\n    this.#cleanup = setup(this.setOnline.bind(this))\n  }\n\n  setOnline(online: boolean): void {\n    const changed = this.#online !== online\n\n    if (changed) {\n      this.#online = online\n      this.listeners.forEach((listener) => {\n        listener(online)\n      })\n    }\n  }\n\n  isOnline(): boolean {\n    return this.#online\n  }\n}\n\nexport const onlineManager = new OnlineManager()\n"],"mappings":";;;AAKA,IAAa,gBAAb,cAAmCA,qBAAAA,aAAuB;CACxD,UAAU;CACV;CAEA;CAEA,cAAc;EACZ,MAAM;EACN,KAAKC,UAAU,aAAa;GAG1B,IAAI,OAAO,WAAW,eAAe,OAAO,kBAAkB;IAC5D,MAAM,uBAAuB,SAAS,IAAI;IAC1C,MAAM,wBAAwB,SAAS,KAAK;IAE5C,OAAO,iBAAiB,UAAU,gBAAgB,KAAK;IACvD,OAAO,iBAAiB,WAAW,iBAAiB,KAAK;IAEzD,aAAa;KAEX,OAAO,oBAAoB,UAAU,cAAc;KACnD,OAAO,oBAAoB,WAAW,eAAe;IACvD;GACF;EAGF;CACF;CAEA,cAA8B;EAC5B,IAAI,CAAC,KAAKC,UACR,KAAK,iBAAiB,KAAKD,MAAM;CAErC;CAEA,gBAA0B;EACxB,IAAI,CAAC,KAAK,aAAa,GAAG;GACxB,KAAKC,WAAW;GAChB,KAAKA,WAAW,KAAA;EAClB;CACF;CAEA,iBAAiB,OAAsB;EACrC,KAAKD,SAAS;EACd,KAAKC,WAAW;EAChB,KAAKA,WAAW,MAAM,KAAK,UAAU,KAAK,IAAI,CAAC;CACjD;CAEA,UAAU,QAAuB;EAG/B,IAFgB,KAAKC,YAAY,QAEpB;GACX,KAAKA,UAAU;GACf,KAAK,UAAU,SAAS,aAAa;IACnC,SAAS,MAAM;GACjB,CAAC;EACH;CACF;CAEA,WAAoB;EAClB,OAAO,KAAKA;CACd;AACF;AAEA,MAAa,gBAAgB,IAAI,cAAc"}